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package main
import (
"bytes"
"encoding/json"
"errors"
"io/ioutil"
"net/http"
"strings"
)
var HueBaseStationIP string
var HueUserName string
type HueLightState struct {
Alert string `json:"alert,omitempty"`
Bri int `json:"bri,omitempty"`
On bool `json:"on"`
Reachable bool `json:"reachable,omitempty"`
}
type HueLight struct {
State HueLightState `json:"state"`
Type string `json:"type"`
Name string `json:"name"`
Modelid string `json:"modelid"`
Manufacturername string `json:"manufacturername"`
Uniqueid string `json:"uniqueid"`
Swversion string `json:"swversion"`
Pointsymbol struct {
One string `json:"1"`
Two string `json:"2"`
Three string `json:"3"`
Four string `json:"4"`
Five string `json:"5"`
Six string `json:"6"`
Seven string `json:"7"`
Eight string `json:"8"`
} `json:"pointsymbol"`
}
func HueSetup(baseStationIP string, userName string) {
HueBaseStationIP = baseStationIP
HueUserName = userName
}
func HueGetList() (map[string]HueLight, error) {
response, err := http.Get("http://" + HueBaseStationIP + "/api/" + HueUserName + "/lights")
if err != nil {
return map[string]HueLight{}, err
} else {
defer response.Body.Close()
contents, err := ioutil.ReadAll(response.Body)
if err != nil {
return map[string]HueLight{}, err
}
// Because of Hue's weird API response we're going to unmarshal
// to a map rather than a struct
var lightTempMap map[string]*json.RawMessage
err = json.Unmarshal(contents, &lightTempMap)
if err != nil {
return map[string]HueLight{}, err
}
lightMap := make(map[string]HueLight)
for k, _ := range lightTempMap {
var m HueLight
_ = json.Unmarshal(*lightTempMap[k], &m)
lightMap[k] = m
}
return lightMap, nil
}
}
func HueGetLight(id string) (HueLight, error) {
response, err := http.Get("http://" + HueBaseStationIP + "/api/" + HueUserName + "/lights/" + id)
if err != nil {
return HueLight{}, err
} else {
defer response.Body.Close()
contents, err := ioutil.ReadAll(response.Body)
if err != nil {
return HueLight{}, err
}
var light HueLight
err = json.Unmarshal(contents, &light)
if err != nil {
return HueLight{}, err
}
return light, nil
}
}
func HueSetLight(id string, options HueLightState) error {
url := "http://" + HueBaseStationIP + "/api/" + HueUserName + "/lights/" + id + "/state"
jsonStr, err := json.Marshal(options)
if err != nil {
return err
}
req, _ := http.NewRequest("PUT", url, bytes.NewBuffer(jsonStr))
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
return err
}
defer resp.Body.Close()
contents, _ := ioutil.ReadAll(resp.Body)
if strings.Contains(string(contents), "error") {
return errors.New(string(contents))
}
return nil
}